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Land Use and Agricultural Change Dynamics in SAT Watersheds of Southern India


Affiliations
1 International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, India
2 International Maize and Wheat Improvement Center, Nairobi, Kenya
3 International Water Management Institute, Addis Ababa, Ethiopia
 

Impact of dynamic land use and land cover changes on the livelihood of local communities and ecosystem services is a major concern. This is particularly evident in most dryland agricultural systems in South Asia. We study land use/land cover (LULC) changes over the last two decades in a watershed (9589 ha) located in semi-arid eco-region in South India (Anantapuram district) using Landsat and IRS imagery. We captured additional data through field observations and focused group discussions. The high resolution 30 m data and the spectral matching techniques (SMTs) provided accuracy of 91-100% for various land use classes and 80-95% for the rice and groundnut areas. The watershed studied has undergone significant land use changes between 1988 and 2012. Diminishing size and number of surface water bodies, and contrastingly increased areas under irrigation clearly explain that the system has evolved significantly towards groundwater-irrigated groundnut production. Such changes could be beneficial in the short run, but if the groundwater withdrawal is without sufficient recharge, the long-term consequences on livelihoods could be negative. The water scarcity could be aggravated under the climate change. The construction of checkdams and dugout ponds to recharge groundwater is a potential solution to enhance recharge.

Keywords

Agriculture Areas, Land Use Changes, Livelihoods, Water Harvesting Structures, Watershed.
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  • Rama Mohan Rao, M., Batchelor, C., James, A., Nagaraja, R., Seeley, J. and Butterworth, J., Andhra Pradesh rural livelihood programme water audit report (APRLP), Rajendranagar, Hyderabad, India, 2003.

  • CGWB, Central Ground Water Board Report 2005. http://www.cgwb.gov.in/ (accessed in 24 July 2014), 2005.

  • van Ginkel, M. et al., An integrated agro-ecosystem and livelihood systems approach for the poor and vulnerable in dry areas. Food Security, 2013, 5, 751–767.

  • Mottaleb, K. A., Gumma, M. K., Mishra, A. K. and Mohanty, S., Quantifying production losses due to drought and submergence of rainfed rice at the household level using remotely sensed MODIS data. Agricult. Syst., 2015, 137, 227–235.

  • Gaur, A., Biggs, T. W., Gumma, M. K., Parthasaradhi, G. and Turral, H., Water scarcity effects on equitable water distribution and land use in a major irrigation project – case study in India. J. Irrigat. Drain. Eng., 2008, 134, 26–35.

  • Gumma, M. K. et al., Changes in agricultural cropland areas between a water-surplus year and a water-deficit year impacting food security, determined using MODIS 250 m time-series data and spectral matching techniques, in the Krishna River basin (India). Int. J. Remote Sensing, 2011, 32, 3495–3520.

  • Thiruvengadachari, S., Murthy, C. and Raju, P., Remote sensing study of Bhakra canal command area, Haryana State, India, Water Resources Group, NRSA, Hyderabad, India, 1997.

  • Gumma, M. K., Thenkabail, P. S., Hideto, F., Nelson, A., Dheeravath, V., Busia, D. and Rala, A., Mapping irrigated areas of Ghana using fusion of 30 m and 250 m resolution remote-sensing data. Remote Sensing, 2011, 3, 816–835.

  • Markham, B. L. and Barker, J., Landsat MSS and TM postcalibration dynamic ranges, exoatmospheric reflectances and atsatellite temperatures. EOSAT Landsat Techn. Notes, 1986, 1, 3–8.

  • Thenkabail, P. S., Enclona, E. A., Ashton, M. S., Legg, C. and De Dieu, M. J., Hyperion, IKONOS, ALI, and ETM+ sensors in the study of African rainforests. Remote Sensing Environ., 2004, 90, 23–43.

  • Velpuri, N., Thenkabail, P., Gumma, M. K., Biradar, C., Dheeravath, V., Noojipady, P. and Yuanjie, L., Influence of resolution in irrigated area mapping and area estimation. Photogramm. Eng. Remote Sensing, 2009, 75, 1383–1395.

  • ERDAS Field Guide, October 2007, vol. 1.

  • NASA. Moderate Resolution Imaging Spectrometer (MODIS); http://modis.gsfc.nasa.gov/ (last date accessed on 15 August 2014)

  • Gumma, M. K., Gauchan, D., Nelson, A., Pandey, S. and Rala, A., Temporal changes in rice-growing area and their impact on livelihood over a decade: A case study of Nepal. Agric., Ecosyst. Environ., 2011, 142, 382–392.

  • Gumma, M. K., Nelson, A., Thenkabail, P. S. and Singh, A. N., Mapping rice areas of South Asia using MODIS multitemporal data. J. Appl. Remote Sensing, 2011, 5, 053547; doi:10.1117/1.3619838.

  • Thenkabail, P. S., Schull, M. and Turral, H., Ganges and Indus river basin land use/land cover (LULC) and irrigated area mapping using continuous streams of MODIS data. Remote Sensing Environ., 2005, 95, 317–341.

  • Gumma, M. K., Thenkabail, P. S., Maunahan, A., Islam, S. and Nelson, A., Mapping seasonal rice cropland extent and area in the high cropping intensity environment of Bangladesh using MODIS 500 m data for the year 2010. ISPRS J. Photogramm. Remote Sensing, 2014, 91, 98–113.

  • Jensen, J. R., Introductory Digital Image Processing: A Remote Sensing Perspective, Prentice Hall, United States, 1986.

  • Congalton, R. G., A review of assessing the accuracy of classifications of remotely sensed data. Remote Sensing Environ., 1991, 37, 35–46.

  • Cohen, J., A coefficient of agreement for nominal scales. Educat. Psychol. Measurement, 1960, 20, 37–46.

  • GWD, Groundwater level scenario in Andhra Pradesh, 2014; http://apsgwd.gov.in/swfFiles/reports/state/monitoring.pdf; accessed on 18 August 2014.


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  • Land Use and Agricultural Change Dynamics in SAT Watersheds of Southern India

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Authors

Irshad M. Ahmed
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, India
Murali Krishna Gumma
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, India
Shalander Kumar
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, India
Peter Craufurd
International Maize and Wheat Improvement Center, Nairobi, Kenya
Ismail M. Rafi
International Crops Research Institute for the Semi-Arid Tropics, Patancheru 502 324, India
Amare Haileslassie
International Water Management Institute, Addis Ababa, Ethiopia

Abstract


Impact of dynamic land use and land cover changes on the livelihood of local communities and ecosystem services is a major concern. This is particularly evident in most dryland agricultural systems in South Asia. We study land use/land cover (LULC) changes over the last two decades in a watershed (9589 ha) located in semi-arid eco-region in South India (Anantapuram district) using Landsat and IRS imagery. We captured additional data through field observations and focused group discussions. The high resolution 30 m data and the spectral matching techniques (SMTs) provided accuracy of 91-100% for various land use classes and 80-95% for the rice and groundnut areas. The watershed studied has undergone significant land use changes between 1988 and 2012. Diminishing size and number of surface water bodies, and contrastingly increased areas under irrigation clearly explain that the system has evolved significantly towards groundwater-irrigated groundnut production. Such changes could be beneficial in the short run, but if the groundwater withdrawal is without sufficient recharge, the long-term consequences on livelihoods could be negative. The water scarcity could be aggravated under the climate change. The construction of checkdams and dugout ponds to recharge groundwater is a potential solution to enhance recharge.

Keywords


Agriculture Areas, Land Use Changes, Livelihoods, Water Harvesting Structures, Watershed.

References





DOI: https://doi.org/10.18520/cs%2Fv110%2Fi9%2F1704-1709